| article html file updated | 31 August 2025 09:35 CEST | Update | https://www.mdpi.com/2223-7747/9/2/131 |
| article html file updated | 20 July 2022 18:07 CEST | Update | - |
| article html file updated | 6 March 2020 08:16 CET | Update | - |
| article html file updated | 15 February 2020 04:59 CET | Update | - |
| article html file updated | 27 January 2020 11:12 CET | Original file | - |
| article pdf uploaded. | 27 January 2020 11:11 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/131/pdf |
| article xml uploaded. | 27 January 2020 11:11 CET | Update | https://www.mdpi.com/2223-7747/9/2/131/xml |
| article xml file uploaded | 27 January 2020 11:11 CET | Update | - |
| article pdf uploaded. | 21 January 2020 13:22 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/131/pdf-vor |
| article xml file uploaded | 21 January 2020 13:22 CET | Original file | - |
